Home / 52,491.78-78,770.48-21,327.03

Finding the Fourth Proportional to 52,491.78, 78,770.48 and 21,327.03

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Solution

The fourth proportional to 52,491.78, 78,770.48 and 21,327.03 is: 32,003.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,491.78 : 78,770.48 = 21,327.03 : x
  2. Step 2: Convert to fraction form
    52,491.78/78,770.48 = 21,327.03/x
  3. Step 3: Cross multiply
    52,491.78x = 78,770.48 × 21,327.03
  4. Step 4: Simplify right side
    52,491.78x = 1,679,940,283.44
  5. Step 5: Solve for x
    x = 1,679,940,283.44/52,491.78
  6. Step 6: Final answer
    x = 32,003.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.